Here is the full list of all 24 SIMULACRA achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
The Gift of Jab
You've got Mail
Gossip Girl
She Needs To Know
She Loves Me!
Sharing Is Caring
Punked!
Just In Time
This Is The Police!
The Internet Never Forgets
Wordsmith
Derezzed
That Is Not A Compliment
That Is Just A Compliment
Looking for love
Ask her anything
Crime Doesn't Pay
Run Greg run
You're hired!
This is too much
You found Anna
You killed Anna
A happy ending
Find the truth.